Check engine light after longtubes
I also have o2 sims in the rear there are no codes for the rear o2 sensors.
If it was right after, I bet your O2's are swapped. Left O2 MUST go to the left side, and Right MUST go to the right side. It is very easy to swap with the way they are angled.
Bank 1/Bank2 Sensor 1 are the front O2's, so this seems likely.
If it was right after, I bet your O2's are swapped. Left O2 MUST go to the left side, and Right MUST go to the right side. It is very easy to swap with the way they are angled.
Bank 1/Bank2 Sensor 1 are the front O2's, so this seems likely.
You probably did something wrong extending the wires.
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